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path: root/drivers/isdn/hardware/avm/b1isa.c
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Diffstat (limited to 'drivers/isdn/hardware/avm/b1isa.c')
-rw-r--r--drivers/isdn/hardware/avm/b1isa.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/avm/b1isa.c b/drivers/isdn/hardware/avm/b1isa.c
new file mode 100644
index 000000000000..38bd4dfecbd1
--- /dev/null
+++ b/drivers/isdn/hardware/avm/b1isa.c
@@ -0,0 +1,245 @@
+/* $Id: b1isa.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $
+ *
+ * Module for AVM B1 ISA-card.
+ *
+ * Copyright 1999 by Carsten Paeth <calle@calle.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/capi.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+#include <linux/isdn/capilli.h>
+#include "avmcard.h"
+
+/* ------------------------------------------------------------- */
+
+static char *revision = "$Revision: 1.1.2.3 $";
+
+/* ------------------------------------------------------------- */
+
+MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 ISA card");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------- */
+
+static void b1isa_remove(struct pci_dev *pdev)
+{
+ avmctrl_info *cinfo = pci_get_drvdata(pdev);
+ avmcard *card;
+
+ if (!cinfo)
+ return;
+
+ card = cinfo->card;
+
+ b1_reset(card->port);
+ b1_reset(card->port);
+
+ detach_capi_ctr(&cinfo->capi_ctrl);
+ free_irq(card->irq, card);
+ release_region(card->port, AVMB1_PORTLEN);
+ b1_free_card(card);
+}
+
+/* ------------------------------------------------------------- */
+
+static char *b1isa_procinfo(struct capi_ctr *ctrl);
+
+static int b1isa_probe(struct pci_dev *pdev)
+{
+ avmctrl_info *cinfo;
+ avmcard *card;
+ int retval;
+
+ card = b1_alloc_card(1);
+ if (!card) {
+ printk(KERN_WARNING "b1isa: no memory.\n");
+ retval = -ENOMEM;
+ goto err;
+ }
+
+ cinfo = card->ctrlinfo;
+
+ card->port = pci_resource_start(pdev, 0);
+ card->irq = pdev->irq;
+ card->cardtype = avm_b1isa;
+ sprintf(card->name, "b1isa-%x", card->port);
+
+ if ( card->port != 0x150 && card->port != 0x250
+ && card->port != 0x300 && card->port != 0x340) {
+ printk(KERN_WARNING "b1isa: invalid port 0x%x.\n", card->port);
+ retval = -EINVAL;
+ goto err_free;
+ }
+ if (b1_irq_table[card->irq & 0xf] == 0) {
+ printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq);
+ retval = -EINVAL;
+ goto err_free;
+ }
+ if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
+ printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n",
+ card->port, card->port + AVMB1_PORTLEN);
+ retval = -EBUSY;
+ goto err_free;
+ }
+ retval = request_irq(card->irq, b1_interrupt, 0, card->name, card);
+ if (retval) {
+ printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq);
+ goto err_release_region;
+ }
+ b1_reset(card->port);
+ if ((retval = b1_detect(card->port, card->cardtype)) != 0) {
+ printk(KERN_NOTICE "b1isa: NO card at 0x%x (%d)\n",
+ card->port, retval);
+ retval = -ENODEV;
+ goto err_free_irq;
+ }
+ b1_reset(card->port);
+ b1_getrevision(card);
+
+ cinfo->capi_ctrl.owner = THIS_MODULE;
+ cinfo->capi_ctrl.driver_name = "b1isa";
+ cinfo->capi_ctrl.driverdata = cinfo;
+ cinfo->capi_ctrl.register_appl = b1_register_appl;
+ cinfo->capi_ctrl.release_appl = b1_release_appl;
+ cinfo->capi_ctrl.send_message = b1_send_message;
+ cinfo->capi_ctrl.load_firmware = b1_load_firmware;
+ cinfo->capi_ctrl.reset_ctr = b1_reset_ctr;
+ cinfo->capi_ctrl.procinfo = b1isa_procinfo;
+ cinfo->capi_ctrl.ctr_read_proc = b1ctl_read_proc;
+ strcpy(cinfo->capi_ctrl.name, card->name);
+
+ retval = attach_capi_ctr(&cinfo->capi_ctrl);
+ if (retval) {
+ printk(KERN_ERR "b1isa: attach controller failed.\n");
+ goto err_free_irq;
+ }
+
+ printk(KERN_INFO "b1isa: AVM B1 ISA at i/o %#x, irq %d, revision %d\n",
+ card->port, card->irq, card->revision);
+
+ pci_set_drvdata(pdev, cinfo);
+ return 0;
+
+ err_free_irq:
+ free_irq(card->irq, card);
+ err_release_region:
+ release_region(card->port, AVMB1_PORTLEN);
+ err_free:
+ b1_free_card(card);
+ err:
+ return retval;
+}
+
+static char *b1isa_procinfo(struct capi_ctr *ctrl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+
+ if (!cinfo)
+ return "";
+ sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d",
+ cinfo->cardname[0] ? cinfo->cardname : "-",
+ cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
+ cinfo->card ? cinfo->card->port : 0x0,
+ cinfo->card ? cinfo->card->irq : 0,
+ cinfo->card ? cinfo->card->revision : 0
+ );
+ return cinfo->infobuf;
+}
+
+/* ------------------------------------------------------------- */
+
+#define MAX_CARDS 4
+static struct pci_dev isa_dev[MAX_CARDS];
+static int io[MAX_CARDS];
+static int irq[MAX_CARDS];
+
+MODULE_PARM(io, "1-" __MODULE_STRING(MAX_CARDS) "i");
+MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_CARDS) "i");
+MODULE_PARM_DESC(io, "I/O base address(es)");
+MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)");
+
+static int b1isa_add_card(struct capi_driver *driver, capicardparams *data)
+{
+ int i;
+
+ for (i = 0; i < MAX_CARDS; i++) {
+ if (isa_dev[i].resource[0].start)
+ continue;
+
+ isa_dev[i].resource[0].start = data->port;
+ isa_dev[i].irq = data->irq;
+
+ if (b1isa_probe(&isa_dev[i]) == 0)
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static struct capi_driver capi_driver_b1isa = {
+ .name = "b1isa",
+ .revision = "1.0",
+ .add_card = b1isa_add_card,
+};
+
+static int __init b1isa_init(void)
+{
+ char *p;
+ char rev[32];
+ int i;
+
+ if ((p = strchr(revision, ':')) != 0 && p[1]) {
+ strlcpy(rev, p + 2, 32);
+ if ((p = strchr(rev, '$')) != 0 && p > rev)
+ *(p-1) = 0;
+ } else
+ strcpy(rev, "1.0");
+
+ for (i = 0; i < MAX_CARDS; i++) {
+ if (!io[i])
+ break;
+
+ isa_dev[i].resource[0].start = io[i];
+ isa_dev[i].irq = irq[i];
+
+ if (b1isa_probe(&isa_dev[i]) != 0)
+ return -ENODEV;
+ }
+
+ strlcpy(capi_driver_b1isa.revision, rev, 32);
+ register_capi_driver(&capi_driver_b1isa);
+ printk(KERN_INFO "b1isa: revision %s\n", rev);
+
+ return 0;
+}
+
+static void __exit b1isa_exit(void)
+{
+ int i;
+
+ for (i = 0; i < MAX_CARDS; i++) {
+ if (!io[i])
+ break;
+
+ b1isa_remove(&isa_dev[i]);
+ }
+ unregister_capi_driver(&capi_driver_b1isa);
+}
+
+module_init(b1isa_init);
+module_exit(b1isa_exit);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 10:37:43 +0300